1、 CAN/CGSB-4.2 No. 8.2-2016 ISO 2061:2010, IDT Supersedes CAN/CGSB-4.2 No. 8.2-2004/ISO 2061:1995 International Organization for Standardization ISO 2010. CGSB 2016. All rights reserved. Unauthorized reproduction is strictly prohibited. Textile test methods Textiles Determination of twist in yarns Di
2、rect counting method (ISO 2061:2010, IDT) National Standard of Canada Canadian General Standards Board The CANADIAN GENERAL STANDARDS BOARD (CGSB), under whose auspices this standard has been developed, is a government agency within Public Services and Procurement Canada. CGSB is engaged in the prod
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9、ca/ongc-cgsb/index-eng.html along with more information about CGSB products and services.Although the intended primary application of this standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the standard to judge its suitability for their parti
10、cular purpose.The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consul
11、t the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use. CGSB neither assumes nor accepts any responsibility for any injury or damage that may occur during or as the result of tests, wherever p
12、erformed.Attention is drawn to the possibility that some of the elements of this Canadian standard may be the subject of patent rights. CGSB shall not be held responsible for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of
13、 any such patent rights is entirely their own responsibility.LanguageIn this Standard, “shall” states a mandatory requirement, “should” expresses a recommendation and “may” is used to express an option or that which is permissible within the limits of this Standard. Notes accompanying clauses do not
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22、Web www.tpsgc-pwgsc.gc.ca/ongc-cgsb/index-eng.htmlHow to order Publications:National Standard of Canada CAN/CGSB-4.2 No. 8.2-2016 ISO 2061:2010, IDT Supersedes CAN/CGSB-4.2 No. 8.2-2004/ISO 2061:1995 Textile test methods Textiles Determination of twist in yarns Direct counting method (ISO 2061:2010,
23、 IDT) CETTE NORME NATIONALE DU CANADA EST DISPONIBLE EN VERSIONS FRANAISE ET ANGLAISE. Published January 2016 by the Canadian General Standards Board Gatineau, Canada K1A 1G6 HER MAJESTY THE QUEEN IN RIGHT OF CANADA, as represented by the Minister of Public Services and Procurement, the Minister res
24、ponsible for the Canadian General Standards Board (2016). No part of this publication may be reproduced in any form without the prior permission of the publisher. ICS 59.080.20 CAN/CGSB-4.2 No. 8.2-2016 ISO 2061:2010, IDT CGSB 2016 All rights reserved CANADIAN GENERAL STANDARDS BOARD Committee on Te
25、xtile Test Methods and Terminology (Voting membership at date of approval) Chair Davie, N. Consultant (General interest) General interest category Batcheller, J. University of Alberta Carrick, D. Consultant Horne, L. University of Manitoba Man, T.M. Consultant Schumann, E. Consultant Tait, C. Nation
26、al Defence/DSSPM Producer category Adam, C. Tencate Protective Fabrics Lankin, G. LAC-MAC Limited Lawson, L. Davey Textile Solutions ONeill, B. London Hospital Linen Service Inc. Orzel, A. Lincoln Fabrics Ltd. Taylor, V. Invista (Canada) Co. Regulator category Korpan, M. Health Canada, CPSD Risk Man
27、agement Bureau Szabo, J. Industry Canada User category Andersson, C. Health Canada, CPSD Risk Assessment Bureau Bowie, K. Public Works and Government Services Canada DEntremont, E. Royal Canadian Mounted Police Izquierdo, V. Textile Technologies Centre Litva, M. Canada Border Services Agency Smith,
28、I. Exova Group Ltd. Tebbs, C. International Drycleaners Congress Zhao, J. National Defence/QETE Secretary (non-voting) Grabowski, M. Canadian General Standards Board Acknowledgment is made for the translation of this National Standard of Canada by the Translation Bureau of Public Services and Procur
29、ement Canada. i CGSB 2016 All rights reserved CAN/CGSB-4.2 No. 8.2-2016 ISO 2061:2010, IDT Supersedes CAN/CGSB-4.2 No. 8.2-2004/ISO 2061:1995 Preface to the National Standard of Canada This National Standard of Canada has been prepared by the CGSB Committee on Textile Test Methods and Terminology an
30、d has been approved as a National Standard of Canada by the Standards Council of Canada. It is identical in content and in layout with International Standard ISO 2061, Textiles Determination of twist in yarns Direct counting method, published 2010-08-01 by the International Organization for Standard
31、ization (ISO), and is reprinted with the permission of ISO. The international standard was reviewed by the CGSB committee to determine its suitability for Canadian use. It was agreed to use it in total without editorial changes. Throughout this standard, the words “National Standard of Canada” are t
32、o be understood as replacing the words “International Standard” wherever they appear. Some terminology and conventions are not identical to those used in other test methods within CAN/CGSB-4.2 Textile Test Methods. For example, the comma is used throughout this standard as a decimal marker rather th
33、an the point. The following National Standards of Canada correspond to the referenced ISO standards: CANADA ISO CAN/CGSB-4.2 No. 8.3 ISO 2 ISO 2 CAN/CGSB-4.2 No. 2 ISO 139 The testing and evaluation of a product against this method may require the use of materials and equipment that could be hazardo
34、us. This method does not purport to address all the safety aspects associated with its use. Anyone using this method has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior
35、 to its use. The CGSB National Standards of Canada may be obtained from the Canadian General Standards Board, Sales Centre, Gatineau, Canada K1A 1G6. Telephone 819-956-0425 or 1-800-665-2472. Fax 819-956-5740. E-mail ncr.cgsb-ongctpsgc-pwgsc.gc.ca. Web site www.tpsgc-pwgsc.gc.ca/ongc-cgsb/index-eng.
36、html. The International Standards may be obtained from IHS Global Canada Ltd., 200-1331 MacLeod Trail SE, Calgary, Alberta T2G 0K3, telephone 613-237-4250 or 1-800-267-8220, fax 613-237-4251, Web site . Reference numberISO 2061:2010(E)ISO 2010INTERNATIONAL STANDARD ISO2061Third edition2010-08-01Text
37、iles Determination of twist in yarns Direct counting method Textiles Dtermination de la torsion des fils Mthode par comptage direct ISO 2061:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall n
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40、member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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42、 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedISO 2061:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references2 3 Terms and definitions .2 4 Principle3 5 Apparatus.3 6 Standard atmosphere3 7 Sampling.3 8 Tes
43、t specimens4 8.1 Length.4 8.1.1 Single spun yarns4 8.1.2 Single multifilament, plied and cabled yarns .4 8.2 Selection.4 8.3 Number of test specimens4 9 Procedure 1 Determination of the direction of twist.5 10 Procedure 2 Determination of the amount of twist .6 10.1 Preliminary procedure 6 10.2 Sing
44、le, spun yarn.6 10.3 Single, multifilament yarns.6 10.4 Plied yarns .7 10.5 Cabled yarns 7 11 Calculation of results 7 11.1 Average twist per specimen.7 11.2 Average twist per sample .8 11.3 Variation of observations .8 11.4 Change in length on untwisting.8 11.5 Twist factor ().8 12 Expression of re
45、sults9 13 Test report9 13.1 Single yarns .9 13.2 Plied yarns .10 13.3 Cabled yarns 10 Annex A (informative) Suggested procedure for sampling 11 Bibliography12 ISO 2061:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation o
46、f national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. In
47、ternational organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with
48、the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval
49、 by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 2061 was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 23, Fibres and yarns. This third edition cancels and replaces the second edition (ISO 2061:1995),
